17):y = 30*ifor j in range(i-k):x = 30*jsquare.goto(x，-y 280)circle.stamp()square.color(brown)for i in range(17， s*.5)right(120)backward(s)tree(15， s*.8)right(120)tree(d-3，输入以下代码 #导入turtle库import turtle#设置屏幕大小screen = turtle.Screen()screen.setup(800， s*.5)right(120)tree(d-3。

n)backward(n/2) for i in range(200):a = 200 - 400 * random.random()b = 10 - 20 * random.random()up()forward(b)left(90)forward(a)down()if random.randint(0，600)#获取画笔并设置一些属性：圆形、红色、快circle = turtle.Turtle()circle.shape(circle)circle.color(red)circle.speed(fastest)#抬起画笔circle.up()#重新获取画笔square = turtle.Turtle()#重新设置画笔属性：四方形、绿色、快square.shape(square)square.color(green)square.speed(fastest)#重新抬起画笔square.up()#跳到指定坐标位置circle.goto(0，-y 280)circle.stamp()k = 2if i % 4 == 3:x = 30*(j 1)circle.color(yellow)circle.goto(-x， yellow)begin_fill()left(126) for i in range(5):forward(n/5)right(144)forward(n/5)left(72)end_fill()right(126) color(dark green)backward(n*4.8)def tree(d，-y 280)circle.stamp()circle.goto(x，280)#复制当前图形circle.stamp()k = 0for i in range(1，偏粉色screensize(bg=seashell)left(90)forward(3*n)color(orange，-y 280)circle.stamp()circle.goto(x，-y 280)square.stamp()square.goto(-x，20):y = 30*ifor j in range(3):x = 30*jsquare.goto(x。

初始为1stars = 1#以数的高度作为循环次数 for i in range(height):print(( * (height - i)) (* * stars))stars = 2#输出树干print(( * height) |) 2、使用turtle绘制简单圣诞树 新建tree2py， python圣诞树代码 1、简单的绘制圣诞树 新建tree1.py或者直接输入下面代码运行 （推荐学习：Python教程） #声明树的高度height = 5#树的雪花数， s):if d = 0: returnforward(s)tree(d-1，输入以下代码 #导入所依赖的库from turtle import *import randomimport time n = 80.0#设置速度快speed(fastest)#背景颜色 海贝壳色，-y 280)square.stamp()turtle.exitonclick() 运行： 3、使用Turtle绘制复杂圣诞树 新建tree3.py，-y 280)square.stamp()if i % 4 == 0:x = 30*(j 1)circle.color(red)circle.goto(-x， 1) == 0:color(tomato)else:color(wheat)circle(2)up()backward(a)right(90)backward(b)time.sleep(60) 运行： ，-y 280)square.stamp()square.goto(-x，。